/afs/cern.ch/work/a/aaltunda/public/www/CMSSW_6_2_7/src/Alignment/KalmanAlignmentAlgorithm/plugins/SingleTrajectoryUpdator.h

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#ifndef Alignment_KalmanAlignmentAlgorithm_SingleTrajectoryUpdator_h
#define Alignment_KalmanAlignmentAlgorithm_SingleTrajectoryUpdator_h

#include "FWCore/ParameterSet/interface/ParameterSet.h"

#include "Alignment/KalmanAlignmentAlgorithm/interface/KalmanAlignmentUpdator.h"



class CompositeAlignmentParameters;


class SingleTrajectoryUpdator : public KalmanAlignmentUpdator
{

public:

  SingleTrajectoryUpdator( const edm::ParameterSet & config );
  virtual ~SingleTrajectoryUpdator( void );

  virtual void process( const ReferenceTrajectoryPtr & trajectory,
                        AlignmentParameterStore* store,
                        AlignableNavigator* navigator,
                        KalmanAlignmentMetricsUpdator* metrics,
                        const MagneticField* magField = 0 );

  virtual SingleTrajectoryUpdator* clone( void ) const { return new SingleTrajectoryUpdator( *this ); }

private:

  bool checkCovariance( const AlgebraicSymMatrix& cov ) const;

  unsigned int theMinNumberOfHits;
  double theExtraWeight;
  double theExternalPredictionWeight;
  bool theCovCheckFlag;

  unsigned int theNumberOfPreAlignmentEvts;
  unsigned int theNumberOfProcessedEvts;
};


#endif